2',7'-Dibromospiro[dibenzo[c,h]xanthene-7,9'-fluorene] CAS 1185855-23-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1185855-23-5 |
| Molecular Formula | C33H18Br2O |
| Molecular Weight | 590.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 2',7'-Dibromospiro[dibenzo[c,h]xanthene-7,9'-fluorene] (CAS 1185855-23-5) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C33H18Br2O. Molecular weight: 590.30 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C33H18Br2O |
| Molecular Weight | 590.30 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 24.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Br-containing |
Related Dibromospiro Standards
- 2,7-Dibromospiro[fluorene-9,8'-indolo[3,2,1-de]acridine] (CAS 902525-12-6)
- 5,9-Dibromospiro[benzo[c]fluorene-7,9'-fluorene] (CAS 1242570-65-5)
- 1’-Boc-2,7-dibromospiro[fluorene-9,4’-piperidine] (CAS 1616113-98-4)
- 2',7'-Dibromospiro[fluorene-9,9'-xanthene] (CAS 1346002-88-7)
- 2,7-Dibromospiro[9H-fluorene-9,9'-[9H]xanthene] (CAS 198142-65-3)
- 2',7'-Dibromospiro[cyclopenta[1,2-b:5,4-b']dipyridine-5,9'-fluorene] (CAS 198142-63-1)
- 2',7'-Dibromospiro[adamantane-2,9'-fluorene] (CAS 727730-32-7)
- 1’-Acetyl-2,7-dibromospiro[fluorene-9,4’-piperidine] (CAS 1616114-00-1)
Recommended Standards
- Diclofenac Dimer Impurity 55 (CAS 1609187-32-7)
- Rac 1,2-Bis-Palmitoyl-3-Chloropropanediol-13C3 (CAS CATO-CCFD201009)
- Diclofenac Dimer Impurity 2 (CAS 1609187-30-5)
- Z-Arg-Leu-Arg-Gly-Gly-AMC (CAS 167698-69-3)
- 7-Chloro-6-fluoro-4-((4-hydroxybenzylidene)amino)cinnoline-3-carboxamide (CAS 159831-76-2)
- 2-((Butylamino)methyl)-4,6-dichlorophenol (CAS 16683-17-3)
- 6-Methyl-2-phenylimidazo[1,2-a]pyridine-3-carboxylic acid (CAS 123533-42-6)
- 2-Propenoic acid, butyl ester, polymer with N-(hydroxymethyl)-2-methyl-2-propenamide and 2-propenenitrile (CAS 29434-28-4)
- N-[4-(2-Ethoxyethoxy)benzyl]cyclopentanamine (CAS 1040686-92-7)
- Semaglutide impurity 101 (CAS CATO-C4X-2226101)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com